Walk-in Environmental Test Chamber
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| Brand | OK |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-4m2.0000 |
| Internal Dimensions (D×W×H) | 1500 × 1800 × 1500 mm |
| Temperature Range | −50 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Accuracy | ±1 °C |
| Heating Rate | 3 °C/min |
| Cooling Rate | 1 °C/min |
| Brand | OK |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic |
| Model | OK-STH-8.212m² |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Brand | OK |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-STH-8.8.0m² |
| Internal Dimensions (W×D×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +80°C |
| B | −20°C to +80°C |
| C | −40°C to +80°C |
| D | −60°C to +80°C |
| E | −70°C to +80°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Brand | OK |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-8m2.000000 |
| Internal Dimensions (W×D×H) | 2000 mm × 2000 mm × 2000 mm |
| Temperature Range | −50 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Accuracy | ±1 °C |
| Heating Rate | 3 °C/min (typical) |
| Cooling Rate | 1 °C/min (typical) |
| Humidity Range | 30–98 %RH |
| Humidity Control Accuracy | ±1 %RH |
| Temperature Measurement Sensor | PT100 Platinum Resistance Thermometer |
| Control System | RKC PID Digital Controller with SSR Output |
| Communication Interface | RS-232 / RS-485 |
| Compliance Standards | GB/T 10586–2014, GB/T 10592–2012, GB/T 2423.1–2023, GB/T 2423.2–2023, GB/T 2423.3–2016, GB/T 2423.4–2022 |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-STH-4.5m² |
| Internal Dimensions (D×W×H) | 1500 × 1800 × 1500 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-4.6m² |
| Internal Dimensions (D×W×H) | 1500 × 1800 × 1500 mm |
| Temperature Range Options | A: 0°C to +85°C |
| B | −20°C to +85°C |
| C | −40°C to +85°C |
| D | −60°C to +85°C |
| E | −70°C to +85°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Construction | Modular PU-insulated sandwich panels with steel frame, hermetic walk-in door, integrated air circulation and multi-stage refrigeration system |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-4m² |
| Internal Dimensions (D×W×H) | 1500 × 1800 × 1500 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Control | Standard Integrated System |
| Construction | Modular PU-insulated sandwich panels with reinforced steel frame |
| Door | Large-sealed access door with observation window, anti-frost heating, and safety interlock |
| Refrigeration | Cascade dual-stage compressor system |
| Air Circulation | High-volume centrifugal fans with optimized ductwork |
| Control System | Industrial PLC-based touchscreen controller with programmable profiles, data logging, and remote monitoring capability |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-STH-4m2.0101 |
| Internal Dimensions (D×W×H) | 1500 × 1800 × 1500 mm |
| Temperature Range | −40 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Accuracy | ±1 °C |
| Heating Rate | 3 °C/min |
| Cooling Rate | 1 °C/min |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-STH-8m² |
| Internal Dimensions (W×D×H) | 2000 × 2000 × 2000 mm |
| Temperature Range | −50°C to +150°C |
| Temperature Uniformity | ±2°C |
| Temperature Control Accuracy | ±0.1°C |
| Heating Rate | 3°C/min |
| Cooling Rate | 1°C/min |
| Humidity Range | 30–98% RH |
| Humidity Control Accuracy | ±1% RH |
| Power Supply | AC 380 V ±10%, 50 Hz, 3-phase 5-wire |
| Total Power | 12 kW |
| Compliance | GB/T 10586–2014, GB/T 10592–2018, GB/T 2423.1–2023, GB/T 2423.2–2023, GB/T 2423.3–2016, GB/T 2423.4–2016 |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-4m2.245 |
| Internal Dimensions (D×W×H) | 1500 × 1800 × 1500 mm |
| Temperature Range | −40 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Accuracy | ±1 °C |
| Heating Rate | 3 °C/min |
| Cooling Rate | 1 °C/min |
| Brand | OK |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | STH-10M3A |
| Internal Dimensions (W×D×H) | 2000 × 2000 × 2500 mm |
| Temperature Range | −70°C to +80°C (selectable sub-ranges: A: 0°C, B: −20°C, C: −40°C, D: −60°C, E: −70°C) |
| Humidity Range | 20–98% RH |
| Temperature Uniformity | ±2°C |
| Temperature Fluctuation | ±0.5°C |
| Humidity Fluctuation | ±3.0% RH (75–98% RH), ±5.0% RH (20–75% RH) |
| Temperature Deviation | ±2°C |
| Control Accuracy | ±1°C |
| Average Heating Rate | 1.0–4.0°C/min |
| Average Cooling Rate | ≥1.0°C/min (full range) |
| Refrigeration System | Hermetic dual-stage cascade compressor with eco-friendly refrigerants R404A/R23 |
| Controller | 7-inch color LCD touch screen with bilingual (English/Chinese) interface |
| Power Supply | AC 380 V ±5%, 50 Hz ±0.5 Hz, 3-phase 5-wire |
| Construction | Interior – 304 stainless steel |
| Compliance | GB/T 2423.1–2001 (Cold), GB/T 2423.2–2001 (Dry Heat), GB/T 2423.3–2006 (Constant Damp Heat), GB/T 2423.4–2008 (Cyclic Damp Heat), GJB 150.3A–2009 (High Temp), GJB 150.4A–2009 (Low Temp), GJB 150.9A–2009 (Humidity) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-4.2m² |
| Internal Dimensions (D×W×H) | 1500 × 1800 × 1500 mm |
| Temperature Range Options | A: 0°C to +85°C |
| B | −20°C to +85°C |
| C | −40°C to +85°C |
| D | −60°C to +85°C |
| E | −70°C to +85°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (optional configuration) |
| Humidity Control Accuracy | ±3% RH (at 25°C) |
| Construction | Double-skin steel panels with high-density polyurethane (PU) insulation core |
| Door | Reinforced insulated door with observation window, anti-frost heating, and safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors), optional LN₂ assist for rapid cooldown |
| Air Circulation | High-volume centrifugal fans with optimized ductwork for uniform thermal distribution |
| Control System | Industrial-grade PLC with 10.4″ color touchscreen HMI, programmable multi-segment profiles, real-time data logging, USB export, Ethernet remote access, and audit trail capability |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12.00m² |
| Internal Working Dimensions (D×W×H) | 3000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (optional configuration) |
| Humidity Control Accuracy | ±3% RH (at 25°C) |
| Construction | Double-skin steel panels with high-density polyurethane (PU) insulation |
| Door | Electrically heated, double-glazed observation door with safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors) |
| Air Circulation | High-volume centrifugal fans with optimized ductwork |
| Controller | Programmable PLC-based touchscreen interface with Ethernet/RS485 connectivity |
| Compliance | Designed to support ISO 16750-4, ASTM D4332, IEC 60068-2-1, IEC 60068-2-2, MIL-STD-810H environmental test protocols |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-2 |
| Internal Volume | Customizable (Starting from 1 m³) |
| Temperature Range Options | A: 0°C / B: -20°C / C: -40°C / D: -60°C / E: -70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Construction | Modular PU-insulated sandwich panels with structural steel frame |
| Door | Large insulated walk-in door with observation window, anti-frost heater, and safety interlock |
| Refrigeration | Cascade refrigeration system (dual-stage compressors) |
| Air Circulation | High-capacity centrifugal fans with optimized ductwork |
| Control System | Industrial PLC-based controller with programmable ramp-soak profiles, data logging, remote monitoring, and audit trail capability |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-8.2m² |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (optional configuration) |
| Humidity Control Accuracy | ±3% RH (at 25°C) |
| Construction | Double-skin steel panels with high-density polyurethane (PU) insulation |
| Door | Electrically heated observation door with safety interlock |
| Refrigeration | Cascade refrigeration system (dual-stage compressors) |
| Air Circulation | High-capacity centrifugal fans with optimized ductwork |
| Control System | Industrial PLC-based controller with touch interface, programmable profiles, data logging, and Ethernet remote monitoring |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12.022m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 2000 mm |
| Temperature Range Options | A: 0°C to +85°C |
| B | −20°C to +85°C |
| C | −40°C to +85°C |
| D | −60°C to +85°C |
| E | −70°C to +85°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH |
| Humidity Control Accuracy | ±3% RH |
| Humidity Uniformity | ±3% RH |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12.4m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 2000 mm |
| Temperature Range Options | A: 0–85°C |
| B | −20–85°C |
| C | −40–85°C |
| D | −60–85°C |
| E | −70–85°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH |
| Humidity Control Accuracy | ±3% RH |
| Construction | Double-skin steel panels with high-density polyurethane (PU) insulation |
| Door | Reinforced airtight walk-in door with observation window, anti-frost heating, and safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors) |
| Air Circulation | High-volume centrifugal fans with optimized ductwork for uniform airflow |
| Control System | Industrial PLC-based controller with programmable multi-step profiles, real-time data logging, Ethernet connectivity, and audit trail capability |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12m² |
| Internal Dimensions (D×W×H) | 3000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (standard configuration) |
| Humidity Control Accuracy | ±3% RH (at 25°C) |
| Construction | Double-skin steel panels with high-density polyurethane (PU) insulation |
| Door | Electrically heated observation door with safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors) |
| Air Circulation | High-volume centrifugal fans with optimized ductwork |
| Control System | PLC-based touchscreen controller with programmable profiles, data logging, and Ethernet remote access |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-8.3m² |
| Internal Dimensions (W×D×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°C |
| Temperature Uniformity | ±3°C (at steady state, per ASTM E145 Class I) |
| Temperature Control Stability | ±1°C |
| Heating Rate | 1.0–4.0°C/min (dependent on setpoint and load) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-Series (Custom Volume) |
| Internal Dimensions | Custom-Designed per Client Specification (D×W×H) |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Stability | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (optional configuration) |
| Humidity Control Accuracy | ±3% RH (at 25°C) |
| Construction | Double-Skin Steel Panels with High-Density PU Foam Insulation |
| Door | Reinforced Sealed Walk-in Door with Observation Window, Anti-Frost Heater & Safety Interlock |
| Refrigeration System | Cascade Compressor System (Two-Stage) or LN₂-Assisted Cooling (Optional) |
| Air Circulation | High-Capacity Centrifugal Blower with Optimized Ductwork |
| Control System | Industrial PLC-Based Controller with Touchscreen HMI, Programmable Ramp/Soak Profiles, Data Logging, Remote Monitoring & Audit Trail Capability |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic |
| Model | OK-STH-1.2 (Custom Volume) |
| Working Dimensions (D×W×H) | Custom-engineered per client specification |
| Temperature Range Options | A: 0°C |
| B | −20°C |
| C | −40°C |
| D | −60°C |
| E | −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Stability | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-STH (Custom Volume) |
| Temperature Range | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Internal Dimensions | Custom-Designed per User Specification (D×W×H) |
| Pricing | USD 11,200 (FOB Guangdong) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-8.8m² |
| Internal Dimensions (W×D×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +85°C |
| B | −20°C to +85°C |
| C | −40°C to +85°C |
| D | −60°C to +85°C |
| E | −70°C to +85°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Construction | Modular PU-insulated sandwich panels with steel frame, double-sealed walk-in door, integrated air circulation and multi-stage refrigeration system |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic |
| Model | OK-STH-8.00m² |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Ranges | A: 0°C |
| B | −20°C |
| C | −40°C |
| D | −60°C |
| E | −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12.00100m² |
| Internal Dimensions (D×W×H) | 3000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (standard configuration) |
| Humidity Control Accuracy | ±3% RH (at 25–85°C) |
| Power Supply Integration | Multi-circuit AC/DC distribution cabinet with real-time voltage/current/power monitoring |
| Structural Material | Stainless steel inner chamber and reinforced load-bearing test racks |
| Safety Systems | Internal emergency egress, explosion-proof observation window, smoke detection with automatic exhaust activation |
| Controller | Industrial-grade PLC with 7×24 h continuous operation capability |
| Compliance | Designed to support ISO 16750-4, IEC 60068-2-30, MIL-STD-810H (Method 507.6), and JESD22-A101 for humidity testing |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-1 |
| Temperature Range | Selectable Options — A: 0°C, B: −20°C, C: −40°C, D: −60°C, E: −70°C |
| Temperature Uniformity | ±3°C (at steady state, empty chamber) |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min (average, under standard load conditions) |
| Internal Dimensions | Custom-engineered per client specification (D×W×H) |
| Construction | Modular polyurethane insulated panels (100–150 mm thickness), field-assembled |
| Cooling System | Water-cooled multi-compressor refrigeration (scroll or screw compressors) |
| Air Distribution | Multi-zone ducted airflow with CFD-optimized circulation |
| Control System | Programmable multi-segment PID controller with Ethernet-enabled remote monitoring and data logging |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12.0000m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 2000 mm |
| Temperature Range Options | A: 0°C to +85°C |
| B | −20°C to +85°C |
| C | −40°C to +85°C |
| D | −60°C to +85°C |
| E | −70°C to +85°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Construction | Modular PU-insulated sandwich panels with steel frame, walk-in sealed door with anti-frost heating, integrated air circulation ducting and centrifugal fans |
| Refrigeration System | Cascade refrigeration (dual-stage compressors), evaporator and heater arrays distributed for uniform thermal field |
| Control System | Industrial PLC-based controller with programmable multi-step temperature profiles, real-time data logging, remote monitoring interface, and safety interlocks |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12.0100m² |
| Temperature Range | Selectable Options — A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°C |
| Temperature Uniformity | ±3°C (within working volume) |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min (average, under no-load conditions) |
| Working Volume | Custom-engineered per client specification (minimum base footprint: 12.0 m² floor area) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12.1m² |
| Internal Dimensions (D×W×H) | 3000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (operational range varies with temperature |
| Humidity Control Accuracy | ±3% RH (at 25°C/50% RH reference point) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12.22m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 2000 mm |
| Temperature Range Options | A: 0°C to +100°C |
| B | −20°C to +100°C |
| C | −40°C to +100°C |
| D | −60°C to +100°C |
| E | −70°C to +100°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (dependent on temperature) |
| Refrigeration System | Cascade-type with eco-friendly refrigerants (R404A/R23) |
| Control System | Programmable touchscreen controller with Pt100 and capacitive humidity sensors |
| Compliance | Designed to support IEC 60068-2-1, -2, -30 |